﻿//  Copyright 2022 Google LLC. All Rights Reserved.
//
//  Licensed under the Apache License, Version 2.0 (the "License");
//  you may not use this file except in compliance with the License.
//  You may obtain a copy of the License at
//
//  http://www.apache.org/licenses/LICENSE-2.0
//
//  Unless required by applicable law or agreed to in writing, software
//  distributed under the License is distributed on an "AS IS" BASIS,
//  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
//  See the License for the specific language governing permissions and
//  limitations under the License.

using System.Collections.Generic;
using System.IO;

namespace NtCoreLib.Net.Dns;

internal class DnsResourceRecordPTR : DnsResourceRecordBase
{
    public string Ptr { get; set; }

    public DnsResourceRecordPTR(byte[] data, byte[] rdata)
    {
        Ptr = new BinaryReader(new MemoryStream(rdata)).ReadDnsString(data);
    }

    public DnsResourceRecordPTR()
    {
        Ptr = string.Empty;
    }

    private protected override void WriteData(BinaryWriter writer, Dictionary<string, int> string_cache)
    {
        writer.WriteDnsString(Ptr, string_cache);
    }
}
